They buttressed up the old building as it began to lean at a dangerous angle.

他们加固这座旧建筑，因为它的倾斜度已开始有危险了。

youdao

They buttressed up the old building as it began to lean at a dangerous angle.

他们加固这座旧建筑，因为它的倾斜度已开始有危险了。

youdao